Recent Projects

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK

YUMO GLOBE - Digital Clock

yumobuilds YUMO.BUILDS

An arcade cabinet built around an M5Stack AtomS3R that plays 27 DOS games and DOOM, and runs a demo reel of 41 titles including full-motion

The Arcade Cabinet That Runs Nothing

juha-lilja Juha Lilja

The H8 was Heathkit's first 8-bit computer. This project is a miniature recreation of the H8, built with vintage components and techniques.

The H8 Mini - a 50th Anniversary Heath H8 Computer

lee-hart Lee Hart

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the

YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuilds YUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.

YUMO PULSE — ESP32-C3 Desk Gadget

yumobuilds YUMO.BUILDS

I wanted to "see" the tides so I built this tide clock

A water based tide clock

jp-gleyzes JP Gleyzes

Until the late 1990s, this device outperformed general purpose computers at certain number theory problems.

A Tiny Sieve | Lehmer's Math Machine in ATtinys

Three high school students in the engineering program at MVTHS created a giant word clock.

Giant Word Clock

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuilds YUMO.BUILDS

Motor, driver, encoder and motion controller in one NEMA-17 package, no protrusions; AI-friendly docs you can hand to your AI.

M17: an open-source NEMA-17 servomotor with the driver, encoder and motion controller built in

tom-rodinger Tom Rodinger

Enjoy short circuit protection for both +3.3V and +5V. Power it using USB-C or with a 9-volt battery. Now has Logic Probe support.

Super Breadboard 2: a breadboard on steroids

A tribute to history and their hackers. Browse this growing collection of Apple-1 programs. Works with the Keyboard Serial Terminal.

Apple1Software.com: connect with an Apple-1

A versatile clock board that provides an adjustable astable clock (0.7 - 480 Hz) and a monostable pulse (110 ms). Insert your own parts!

Terrific Timer: a customizable 555-timer!

An S3 browser that runs entirely in your browser. No server, no install, no build step — two files, open one of them and start browsing.

S3Feather - One-File portable S3 browser

aleksei-tertychnyi Aleksei Tertychnyi

Built around just two readily available boards, it can tune several distinct HF channels and decode FT8, WSPR and other digital modes.

HF MultiChannel RX with only Two Commercial Boards

guido-iw5alz Guido - IW5ALZ

Weekly GitHub summary printed on a thermal receipt via custom ESP32-C3 board: USB-C PD power, streaming PNG decoder, Ruby ticket renderer.

PaperFlux: My GitHub week on a thermal ticket

alban-petit Alban Petit